:root {
--bg: #0f172a; /* slate-900 */
--panel: #111827; /* gray-900 */
--card: #0b1220; /* deep panel */
--ink: #e5e7eb; /* gray-200 */
--muted: #9ca3af; /* gray-400 */
--border: #1f2937; /* gray-800 */
--hover: #0b1220; /* subtle hover */
--brand: #60a5fa; /* blue-400 */
--brand-ink: #0b1220;
--ring: rgba(96,165,250,.35);
}